new: finishing up base mptp functions
This commit is contained in:
@ -21,9 +21,11 @@ typedef enum lm_error {
|
||||
LM_ERR_MPTPConnectFail = 17,
|
||||
LM_ERR_MPTPRecvFail = 18,
|
||||
LM_ERR_MPTPSendFail = 19,
|
||||
LM_ERR_MPTPChunkFail = 29,
|
||||
LM_ERR_MPTPBadChunk = 29,
|
||||
LM_ERR_MPTPSetsockopt = 30,
|
||||
LM_ERR_MPTPTimeout = 31,
|
||||
LM_ERR_MPTPBindFail = 32,
|
||||
LM_ERR_ArgNULL = 33,
|
||||
} lm_error_t;
|
||||
|
||||
typedef struct lm_error_desc {
|
||||
|
||||
119
include/mptp.h
119
include/mptp.h
@ -1,5 +1,6 @@
|
||||
#pragma once
|
||||
#include "types.h"
|
||||
#include <netdb.h>
|
||||
#include <stddef.h>
|
||||
#include <stdint.h>
|
||||
|
||||
@ -7,56 +8,60 @@
|
||||
|
||||
/*
|
||||
|
||||
0 1 2 3 4 5 6 7
|
||||
###############
|
||||
# FLAGS #
|
||||
###############
|
||||
# SIZE #
|
||||
# #
|
||||
###############
|
||||
# DATA #
|
||||
#.............#
|
||||
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
|
||||
#####################################
|
||||
# FLAGS #
|
||||
#####################################
|
||||
# SIZE #
|
||||
#####################################
|
||||
# DATA #
|
||||
#...................................#
|
||||
|
||||
[8 bits] FLAGS
|
||||
[16 bits] FLAGS
|
||||
=========================================================
|
||||
| 8 bits used for specifying the version
|
||||
---------------------------------------------------------
|
||||
4 bits used for specifying the version
|
||||
| 1 bit used to specify if this is a request or response
|
||||
|
|
||||
| 0- it's a request
|
||||
| 1- it's a response
|
||||
---------------------------------------------------------
|
||||
1 bit used to specify if this is a request or response
|
||||
|
||||
0- it's a request
|
||||
1- it's a response
|
||||
| 4 bits used for request/response codes
|
||||
|
|
||||
| We have 4 types of different requests
|
||||
| 0- PING: checks if the server is avaliable
|
||||
| 1- INFO: gets information about the pool(s) the server is hosting
|
||||
| 2- LIST: requests the package list for certain pool
|
||||
| 3- PULL: requests a certain package from a certain pool
|
||||
|
|
||||
| And 4 types of responses
|
||||
| 0- PONG: response for the ping request
|
||||
| 1- COOL: everything is fine, here's the data you requested
|
||||
| 2- BRUH: cannot access to the data you requested, or version mismatch
|
||||
| 3- WHAT: bad request
|
||||
---------------------------------------------------------
|
||||
2 bits used for request/response codes
|
||||
|
||||
We have 4 types of different requests
|
||||
1- PING: checks if the server is avaliable
|
||||
2- INFO: gets information about the pool(s) the server is hosting
|
||||
3- LIST: requests the package list for certain pool
|
||||
4- PULL: requests a certain package from a certain pool
|
||||
|
||||
And 4 types of responses
|
||||
1- PONG: response for the ping request
|
||||
2- COOL: everything is fine, here's the data you requested
|
||||
3- BRUH: cannot access to the data you requested, or version mismatch
|
||||
4- WHAT: bad request
|
||||
| 1 bit used to specify if this the last response
|
||||
|
|
||||
| 0- no stay connected, im not done responsing yet
|
||||
| 1- yes, im done, disconnect
|
||||
|
|
||||
| always 1 for the requests
|
||||
---------------------------------------------------------
|
||||
1 bit used to specify if this the last request/response
|
||||
| 2 bits is reserved for future use
|
||||
---------------------------------------------------------
|
||||
|
||||
0- no stay connected, im not done responsing/requesting yet
|
||||
1- yes, im done, disconnect
|
||||
---------------------------------------------------------
|
||||
|
||||
[16 bits] SIZE
|
||||
=========================================================
|
||||
| All bits used for specifying the DATA size, in bytes
|
||||
---------------------------------------------------------
|
||||
All bits used for specifying the DATA size, in bytes
|
||||
---------------------------------------------------------
|
||||
|
||||
|
||||
[...] DATA
|
||||
---------------------------------------------------------
|
||||
Plaintext data used for that specific request/response,
|
||||
max value for SIZE is 65535, so this section may have
|
||||
65535 bytes total
|
||||
| Plaintext data used for that specific request/response,
|
||||
| max value for SIZE is 65535, so this section may have
|
||||
| 65535 bytes total
|
||||
---------------------------------------------------------
|
||||
|
||||
*/
|
||||
@ -66,7 +71,7 @@
|
||||
#define MPTP_VERSION_SUPPORTED 0
|
||||
#define MPTP_VERSION_MAX 15 // 4 bits
|
||||
#define MPTP_CODE_MAX 4 // 2 bits
|
||||
#define MPTP_CHUNK_MAX 4096
|
||||
#define MPTP_CHUNK_MAX 256
|
||||
#define MPTP_TIMEOUT 10
|
||||
|
||||
#define MPTP_REQUEST 0
|
||||
@ -86,24 +91,34 @@ typedef enum lm_mptp_response {
|
||||
MPTP_S2C_WHAT = 3,
|
||||
} lm_mptp_response_t;
|
||||
|
||||
typedef struct lm_mptp {
|
||||
uint8_t flags;
|
||||
typedef struct lm_mptp_header {
|
||||
uint16_t flags;
|
||||
uint16_t size;
|
||||
char *data;
|
||||
} lm_mptp_header_t;
|
||||
|
||||
typedef struct lm_mptp {
|
||||
lm_mptp_header_t header;
|
||||
char data[MPTP_CHUNK_MAX];
|
||||
} lm_mptp_t;
|
||||
|
||||
bool lm_mptp_init(lm_mptp_t *packet, bool is_request, uint8_t code, bool is_last);
|
||||
#define MPTP_FLAGS_VERSION(m) ((m->flags >> 4) & 15)
|
||||
#define MPTP_FLAGS_IS_REQUEST(m) (((m->flags >> 3) & 1) == 0)
|
||||
#define MPTP_FLAGS_TYPE(m) ((m->flags >> 1) & 3)
|
||||
#define MPTP_FLAGS_IS_LAST(m) ((m->flags & 1) == 1)
|
||||
#define MPTP_FLAGS_VERSION(m) ((m)->header.flags & 0xFF00) >> 8
|
||||
#define MPTP_FLAGS_REQUEST(m) ((m)->header.flags & 0x0080) >> 1
|
||||
#define MPTP_FLAGS_TYPE(m) ((m)->header.flags & 0x0070) >> 4
|
||||
#define MPTP_FLAGS_LAST(m) ((m)->header.flags & 0x0008) >> 3
|
||||
|
||||
int lm_mptp_connect(lm_url_t *url);
|
||||
#define MPTP_IS_REQUEST(m) MPTP_FLAGS_REQUEST(m) == 0
|
||||
#define MPTP_IS_LAST(m) MPTP_FLAGS_LAST(m) == 1
|
||||
|
||||
bool lm_mptp_recv(int sock, lm_mptp_t *packet);
|
||||
bool lm_mptp_recv_data(int sock, char *data, size_t size);
|
||||
bool lm_mptp_packet_init(lm_mptp_t *packet, bool is_request, uint8_t code, bool is_last);
|
||||
int lm_mptp_socket(char *addr, uint16_t port, struct sockaddr *saddr);
|
||||
void lm_mptp_close(int sock);
|
||||
|
||||
bool lm_mptp_send(int sock, lm_mptp_t *packet);
|
||||
bool lm_mptp_send_data(int sock, char *data, size_t size);
|
||||
int lm_mptp_client_connect(char *addr, uint16_t port);
|
||||
bool lm_mptp_client_verify(int sock, lm_mptp_t *packet); // not implemented
|
||||
bool lm_mptp_client_send(int sock, lm_mptp_t *packet);
|
||||
bool lm_mptp_client_recv(int sock, lm_mptp_t *packet);
|
||||
|
||||
void lm_mptp_disconnect(int sock);
|
||||
int lm_mptp_server_listen(char *addr, uint16_t port);
|
||||
bool lm_mptp_server_verify(int sock, lm_mptp_t *packet, struct sockaddr *addr); // not implemented
|
||||
bool lm_mptp_server_recv(int sock, lm_mptp_t *packet, struct sockaddr *addr);
|
||||
bool lm_mptp_server_send(int sock, lm_mptp_t *packet, struct sockaddr *adrr);
|
||||
|
||||
Reference in New Issue
Block a user